WO2010142482A1 - Workstation with position memory - Google Patents

Workstation with position memory Download PDF

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Publication number
WO2010142482A1
WO2010142482A1 PCT/EP2010/055073 EP2010055073W WO2010142482A1 WO 2010142482 A1 WO2010142482 A1 WO 2010142482A1 EP 2010055073 W EP2010055073 W EP 2010055073W WO 2010142482 A1 WO2010142482 A1 WO 2010142482A1
Authority
WO
WIPO (PCT)
Prior art keywords
workstation
strap
locking system
plate
intermediate portion
Prior art date
Application number
PCT/EP2010/055073
Other languages
French (fr)
Inventor
Christian Picard
Olivier Piquenot
Original Assignee
Eads Defence And Security Systems
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eads Defence And Security Systems filed Critical Eads Defence And Security Systems
Priority to CN201080033516.6A priority Critical patent/CN102458919B/en
Priority to BRPI1011525A priority patent/BRPI1011525B1/en
Priority to EP10715212A priority patent/EP2440430A1/en
Priority to US13/376,774 priority patent/US8453582B2/en
Publication of WO2010142482A1 publication Critical patent/WO2010142482A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0264—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
    • B60N3/001—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays
    • B60N3/002—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays of trays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks

Definitions

  • the invention relates to a workstation with position memory.
  • the invention finds a particularly interesting application in the context of an integration of this position memory workstation inside a military vehicle.
  • VBCI Armored Infantry Combat Vehicles
  • FIG. 1 a rear compartment 13
  • workstations 1 consist in particular of a fixed plane support 2, a plate 3 mounted in translation relative to the fixed plane support 2 and a computer 14 offering the possibility to operators 12 to transmit and receive messages.
  • the workstations 1 are positioned transversely relative to the movement of the vehicle 10 and the operators 12 are positioned on the wings 15 of the vehicle 10.
  • a single access lane 1 1 is located between the various workstations 1 and the wings 15 of the vehicle 10.
  • the workstations 1 have two positions, a storage position and a position of use. Thus, a workstation 1 is in a storage position when the tray
  • the workstation 1 is therefore in the use position effectively obstructing the access path 1 1 and prohibiting another operator 12 either to access his workstation 1 or to access the exit of the vehicle 10 .
  • the workstations 1 are provided with a translation immobilization system (not shown).
  • a such a system makes it possible to immobilize the plate 3 in translation. This action is performed when the adequate working position is obtained.
  • Such immobilization systems are formed, for example, by screw or indexing systems. These, however, have several disadvantages.
  • the operators 12 must perform tedious operations such as for example the positioning of the indexing system or the screwing, unscrewing of the screw system.
  • the vibrations of the vehicle 10 sometimes cause the screw immobilization system to loosen.
  • the indexing immobilization system presents an uncomfortable residual clearance for the operators 12.
  • the position of use must be defined by the operator at each position of the workstation in the use position.
  • the invention aims to provide a simple workstation, accurate and quick to implement and to overcome the aforementioned problems.
  • a position memory workstation comprising:
  • said workstation being characterized in that it further comprises:
  • a strap comprising a first end, an intermediate part and a second end, said first end being fastened to said attachment means and said second end being free from any constraint, said locking system having:
  • a first open position such that said locking system slides along said intermediate portion
  • the invention thus allows the adjustment of an initial position of use and a rapid positioning of the workstation in the storage or use position without affecting the adjustment of the initial position.
  • the workstation according to the invention may have one or more additional features below, considered individually or in any technically possible combination:
  • said attachment means comprise: a first position such that said fastening means exert a tension on said strap, and a second position so that said fastening means do not exert tension on said strap;
  • said tension exerted by said attachment means on said strap is greater than 2ON;
  • said attachment means are formed by a ratchet strap tensioner; said locking system is a clamp type system;
  • said plate has an inclined upper surface
  • the present invention also relates to a vehicle comprising a plurality of workstations with position memory according to the invention.
  • FIG. 1 illustrates an example of a vehicle equipped with workstations according to the prior art
  • FIG. 2A represents an example of a workstation according to the invention in storage position
  • FIG. 2B represents an example of a workstation according to the invention in a setting situation
  • FIG. 2C represents an example of a workstation according to the invention in the set position of use
  • FIG. 2D represents an example of a workstation according to the invention pushed back to the storage position after the adjustment of the position as illustrated in FIGS. 2B and 2C;
  • FIG. 3A represents an example of a locking system in the closed position
  • FIG. 3B represents an example of a locking system in the open position.
  • Figure 1 has been used to illustrate workstations of the state of the art.
  • FIGS. 2A to 2D show a same workstation 1 with a position memory according to the invention according to different positions of use.
  • Workstation 1 includes:
  • a strap 4 having a first end 5, an intermediate portion 6 and a second end 7;
  • the attachment means 8 are located on the lower surface of the fixed planar support 2. The first end 5 of the strap 4 is held by the attachment means 8. These attachment means 8 can be formed by any type of system to maintain, to secure the first end 5 of the strap 4 with the fixed plane support 2.
  • the attachment means 8 may be formed by a ratchet strap tensioner.
  • said tensioner offers the possibility of tensioning the strap 4 so as to eliminate any residual game. This characteristic will be explained later.
  • the intermediate portion 6 of the strap 4 goes around the fixed plane support 2 and passes through the locking system 9.
  • the latter is secured to the plate 3 and located on the lower face of the plate 3.
  • the locking system 9 has two positions, to know:
  • FIGS. 2A, 2C, and 2D A second closed position, illustrated in FIGS. 2A, 2C, and 2D, which prohibits any translational movement of the plate 3 with respect to the strap 4. Consequently, when the locking system 9 is in this position, the intermediate portion 6 of the strap 4 is locked within the locking system 9. Furthermore, it should be noted that the plate 3 is able to be moved in translation on the fixed plane support 2 by means of a slide or any other means not shown permitting a translation of the plate 3 relative to the fixed plane support 2.
  • Figure 2A shows an example of a memory workstation. position 1 according to the invention being in the storage position.
  • the strap 4 is energized by the attachment means 8. These are formed by a ratchet strap tensioner. Therefore, in the storage position, no translational movement of the plate 3 relative to the fixed plane support 2 is possible. Such power up is preferably used when moving the vehicle.
  • the tension exerted by the attachment means 8 on the strap 4 is greater than 2ON and may be around 1000N. This tension results in a gain of a few millimeters to a few centimeters over the length of the strap 4 eliminating any play. More generally, this tension is calculated according to the ratio between:
  • the means of fastener 8 have two positions, namely:
  • a first position corresponding to the substantially vertical position of the lever, in which tension is exerted on the strap 4, and
  • attachment means 8 formed by a ratchet strap tensioner. Assuming that the attachment means 8 are formed by a hook, this unlocking step is not essential.
  • the operator must exert a rotational force on the lever of the fastening means 8.
  • the lever therefore passes from a substantially vertical position to a substantially horizontal position.
  • no tension is exerted on the strap 4.
  • the locking system 9 can therefore be unlocked.
  • the unlocking of the locking system 9 allows the plate 3 to slide along the strap 4. The operator can thus position the plate 3 as he wishes.
  • a computer and / or a computer keyboard are arranged on the plate 3.
  • the operator therefore positions the tray 3 at a comfortable working distance.
  • the latter again locks the locking system 9.
  • the intermediate portion 6 of the strap 4 is thus blocked within the locking system 9.
  • This blocking therefore consists in defining a length of strap. This length corresponds to the strap length needed to place the tray
  • the use position determined by the operator is not changed even if the tray 3 is pushed into the storage position.
  • the initial setting is not modified. It is important to emphasize that the only action performed by the operator, to place the tray 3 in the storage position, is a simple pressure on the plate 3. Similarly, in order to position the plate 3 in the use position it is sufficient to exert a simple traction force on the plate 3. This force is exerted until the plate 3 can no longer move.
  • the stroke of the plate 3 is thus limited by the maximum stroke of the strap 4, that is to say the length of the strap 4 located between the first end 5 of the strap 4 and the intermediate portion 6 locked within the locking system 9.
  • FIG 3A shows an example of locking system 9.
  • the latter is shown in Figure 3A in the closed position is to say in blocking position.
  • the locking system 9 comprises:
  • a trigger 18 rotated about an axis of articulation 19 the support 16 may for example be positioned and fixed on the plate 3.
  • the intermediate portion 6 of the strap 4 passes between the support 16 and the trigger 18.
  • the spring return system 17 exerts a thrust force on the trigger 18 causing the latter to rotate about the axis 19. This rotation is performed in the anti-trigonometric direction.
  • the strap 4 is then locked between the support 16 and the trigger 18.
  • FIG 3B illustrates a locking system 9 identical to that shown in Figure 3A.
  • a second force F is exerted manually by an operator on the trigger 18.
  • This second force F opposes the force f which is exerted by the return spring system 17.
  • the trigger 18 rotates around the axis 19 in the trigonometric direction.
  • the intermediate portion 6 of the strap 4 is released and the plate 3 can then slide along the strap 4.
  • the length of the strap 4 forming the maximum stroke of the plate 3 is determined during the step illustrated in Figure 2C of determining an optimal use position by an operator.
  • the second end 7 of the strap 4 is free of any constraint.
  • the field of application of the invention is that of military vehicles in general.
  • the device according to the invention can be applied to any type of vehicle carrying workstations and it can also apply to any space with at least one workstation.
  • the invention is applicable to the automotive, aeronautical, railway, maritime or industrial sectors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Package Frames And Binding Bands (AREA)
  • Connection Of Plates (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

The invention relates to a workstation with position memory. Specifically, the invention relates to a workstation with position memory (1) comprising a stationary flat mounting (2), a plate (3) translatably mounted relative to said stationary flat mounting (2) and a locking system (9) secured to said plate (3). The workstation (1) also comprises a tie means (8) secured to the stationary flat mounting (2), a strap (4) comprising a first end (5), an intermediate portion (6) and a second end (7), the first end (5) being attached to the tie means (8) and the second end (7) being free from any strain. The locking system (9) has a first open position in which the locking system (9) can slide along the intermediate portion (6) and a second closed position in which the locking system (9) is retained in a locked position along said intermediate portion (6). The invention has a direct application in the field of military vehicles.

Description

POSTE DE TRAVAIL A MEMOIRE DE POSITION WORKING STATION WITH POSITION MEMORY
L'invention concerne un poste de travail à mémoire de position. L'invention trouve une application plus particulièrement intéressante dans le cadre d'une intégration de ce poste de travail à mémoire de position à l'intérieur d'un véhicule militaire.The invention relates to a workstation with position memory. The invention finds a particularly interesting application in the context of an integration of this position memory workstation inside a military vehicle.
De façon connue, certains types de véhicules militaires tels que les VBCI (« Véhicules Blindés de Combat d'Infanterie » dont un exemple 10 est illustré en figure 1 ) embarquent au sein d'un compartiment arrière 13, une pluralité de postes de travail 1. Ces derniers sont constitués notamment d'un support plan fixe 2, d'un plateau 3 monté en translation par rapport au support plan fixe 2 et d'un ordinateur 14 offrant la possibilité à des opérateurs 12 d'émettre et de recevoir des messages.In known manner, certain types of military vehicles such as VBCI ("Armored Infantry Combat Vehicles", an example of which is illustrated in FIG. 1) embark on a rear compartment 13, a plurality of workstations 1 These latter consist in particular of a fixed plane support 2, a plate 3 mounted in translation relative to the fixed plane support 2 and a computer 14 offering the possibility to operators 12 to transmit and receive messages. .
Habituellement, les postes de travail 1 sont positionnés transversalement par rapport au déplacement du véhicule 10 et les opérateurs 12 sont positionnés sur les ailes 15 du véhicule 10. Une unique voie d'accès 1 1 se situe entre les différents postes de travail 1 et les ailes 15 du véhicule 10.Usually, the workstations 1 are positioned transversely relative to the movement of the vehicle 10 and the operators 12 are positioned on the wings 15 of the vehicle 10. A single access lane 1 1 is located between the various workstations 1 and the wings 15 of the vehicle 10.
Il convient de noter que les postes de travail 1 possèdent deux positions, une position de stockage et une position d'utilisation. Ainsi, un poste de travail 1 est en position de stockage lorsque le plateauIt should be noted that the workstations 1 have two positions, a storage position and a position of use. Thus, a workstation 1 is in a storage position when the tray
3 se trouve sur le support plan fixe 2 et inversement le poste de travail 1 se trouve en position d'utilisation lorsque le plateau 3 se trouve totalement ou en partie sur la voie d'accès 1 1.3 is on the fixed plane support 2 and conversely the workstation 1 is in the use position when the plate 3 is totally or partially on the access path January 1.
De ce fait, lorsqu'un des opérateurs 12 souhaite accéder à son poste de travail 1 se trouvant en position de stockage, il approche le plateau 3 vers son buste. Le poste de travail 1 se retrouve donc en position d'utilisation obstruant de fait la voie d'accès 1 1 et interdisant à un autre opérateur 12 soit d'accéder à son poste de travail 1 soit d'accéder à la sortie du véhicule 10.Therefore, when one of the operators 12 wishes to access his workstation 1 in the storage position, he approaches the tray 3 to his bust. The workstation 1 is therefore in the use position effectively obstructing the access path 1 1 and prohibiting another operator 12 either to access his workstation 1 or to access the exit of the vehicle 10 .
Par conséquent, dès lors qu'un des opérateurs 12 souhaite accéder à la sortie du véhicule 10 ou à son poste de travail 1 , il peut être gêné par des opérateurs 12 ayant leur poste de travail 1 en position d'utilisation qui doivent alors positionner leur poste de travail 1 en position de stockage.Therefore, since one of the operators 12 wishes to access the exit of the vehicle 10 or its workstation 1, it may be hindered by operators 12 having their workstation 1 in the use position which must then position their workstation 1 in storage position.
De surcroît, pour un meilleur confort des opérateurs, les postes de travail 1 sont munis d'un système d'immobilisation en translation (non représenté). Un tel système permet d'immobiliser en translation le plateau 3. Cette action est réalisée lorsque la position de travail adéquate est obtenue.In addition, for better operator comfort, the workstations 1 are provided with a translation immobilization system (not shown). A such a system makes it possible to immobilize the plate 3 in translation. This action is performed when the adequate working position is obtained.
De tels systèmes d'immobilisation sont formés, par exemple, par des systèmes à vis ou à indexage. Ces derniers comportent néanmoins plusieurs inconvénients.Such immobilization systems are formed, for example, by screw or indexing systems. These, however, have several disadvantages.
Ainsi, à chaque positionnement du plateau 3 en position d'utilisation, la position optimale correspondant à une position ergonomique d'utilisation doit être retrouvée. Cette opération entraîne donc une perte de temps pour les opérateurs 12. En outre, ces systèmes d'immobilisation en translation à indexage imposent un pas de positionnement interdisant de facto certaines positions.Thus, with each positioning of the plate 3 in the use position, the optimum position corresponding to an ergonomic position of use must be found. This operation therefore entails a loss of time for the operators 12. In addition, these immobilization systems in translation indexing impose a positioning step prohibiting de facto certain positions.
Par ailleurs, à chaque action sur le plateau 3, les opérateurs 12 doivent effectuer des opérations fastidieuses telles que par exemple le positionnement du système d'indexage ou le vissage, dévissage du système à vis. De surcroît, les vibrations du véhicule 10 entraînent parfois le desserrage du système d'immobilisation à vis.Furthermore, for each action on the plate 3, the operators 12 must perform tedious operations such as for example the positioning of the indexing system or the screwing, unscrewing of the screw system. In addition, the vibrations of the vehicle 10 sometimes cause the screw immobilization system to loosen.
Enfin, le système d'immobilisation à indexage présente un jeu résiduel inconfortable pour les opérateurs 12.Finally, the indexing immobilization system presents an uncomfortable residual clearance for the operators 12.
De façon générale, les opérations précitées engendrent une perte de temps pour les opérateurs.In general, the aforementioned operations generate a waste of time for the operators.
En effet, dès qu'un opérateur souhaite modifier la position de son poste de travail, les systèmes mécaniques d'immobilisation actuels imposent une intervention de la part de l'opérateur en question. Cette opération consiste à agir sur le système d'immobilisation, soit pour autoriser la translation du plateau 3 ou soit pour interdire une telle translation.Indeed, as soon as an operator wishes to change the position of his workstation, the current mechanical immobilization systems impose an intervention on the part of the operator in question. This operation is to act on the immobilization system, either to allow the translation of the plate 3 or to prohibit such translation.
Outre la perte de temps générée par la réalisation de ces opérations, la position d'utilisation doit être définie par l'opérateur à chaque positionnement du poste de travail en position d'utilisation.In addition to the loss of time generated by performing these operations, the position of use must be defined by the operator at each position of the workstation in the use position.
Dans ce contexte, l'invention vise à proposer un poste de travail simple, précis et rapide à mettre en œuvre et permettant de s'affranchir des problèmes précités.In this context, the invention aims to provide a simple workstation, accurate and quick to implement and to overcome the aforementioned problems.
A cette fin, l'objet de l'invention porte sur un poste de travail à mémoire de position comportant:For this purpose, the subject of the invention relates to a position memory workstation comprising:
- un support plan fixe ; - un plateau monté en translation par rapport au dit support plan fixe ;- a fixed plane support; a plate mounted in translation relative to said fixed plane support;
- un système de blocage solidaire dudit plateau ; ledit poste de travail étant caractérisé en ce qu'il comporte en outre:a locking system integral with said plate; said workstation being characterized in that it further comprises:
- des moyens d'attache solidaires dudit support plan fixe ; - une sangle comportant une première extrémité, une partie intermédiaire et une deuxième extrémité, ladite première extrémité étant fixée aux dits moyens d'attache et ladite deuxième extrémité étant libre de toute contrainte, ledit système de blocage possédant :fastening means secured to said fixed plane support; a strap comprising a first end, an intermediate part and a second end, said first end being fastened to said attachment means and said second end being free from any constraint, said locking system having:
• une première position ouverte de sorte que ledit système de blocage coulisse le long de ladite partie intermédiaire, etA first open position such that said locking system slides along said intermediate portion, and
• une deuxième position fermée de sorte que ledit système de blocage est maintenu en position bloquée le long de ladite partie intermédiaire.A second closed position so that said locking system is held in a locked position along said intermediate portion.
L'invention permet ainsi le réglage d'une position initiale d'utilisation ainsi qu'un positionnement rapide du poste de travail en position de stockage ou d'utilisation sans incidence sur le réglage de la position initiale.The invention thus allows the adjustment of an initial position of use and a rapid positioning of the workstation in the storage or use position without affecting the adjustment of the initial position.
Outre les caractéristiques principales qui viennent d'être mentionnées dans le paragraphe précédent, le poste de travail selon l'invention peut présenter une ou plusieurs caractéristiques supplémentaires ci-dessous, considérées individuellement ou selon toutes les combinaisons techniquement possibles :In addition to the main features that have just been mentioned in the preceding paragraph, the workstation according to the invention may have one or more additional features below, considered individually or in any technically possible combination:
- lesdits moyens d'attache comportent : o une première position de sorte que lesdits moyens d'attache exercent une tension sur ladite sangle, et o une deuxième position de sorte lesdits moyens d'attache n'exercent pas de tension sur ladite sangle ;said attachment means comprise: a first position such that said fastening means exert a tension on said strap, and a second position so that said fastening means do not exert tension on said strap;
- ladite tension exercée par lesdits moyens d'attache sur ladite sangle est supérieure à 2ON ;said tension exerted by said attachment means on said strap is greater than 2ON;
- lesdits moyens d'attache sont formés par un tendeur de sangle à cliquet ; - ledit système de blocage est un système de type pince ;said attachment means are formed by a ratchet strap tensioner; said locking system is a clamp type system;
- ledit plateau comporte une surface supérieure inclinée ;said plate has an inclined upper surface;
- ledit système de blocage est situé sur la surface inférieure dudit plateau et/ou lesdits moyens d'attache sont situés sur la surface inférieure dudit support plan fixe ; - ladite partie intermédiaire de ladite sangle fait le tour dudit support plan fixe et passe au travers dudit système de blocage. La présente invention a également pour objet un véhicule comportant une pluralité de postes de travail à mémoire de position conforme à l'invention.said locking system is located on the lower surface of said plate and / or said attachment means are located on the lower surface of said fixed plane support; - Said intermediate portion of said strap around said fixed planar support and passes through said locking system. The present invention also relates to a vehicle comprising a plurality of workstations with position memory according to the invention.
D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est donnée ci-après, à titre indicatif et nullement limitatif, en référence aux figures annexées ci-jointes parmi lesquelles: • la figure 1 illustre un exemple de véhicule équipé de postes de travail selon l'art antérieur;Other characteristics and advantages of the invention will emerge clearly from the description which is given hereinafter, by way of indication and in no way limitative, with reference to the appended figures attached, of which: FIG. 1 illustrates an example of a vehicle equipped with workstations according to the prior art;
• la figure 2A représente un exemple de poste de travail selon l'invention en position de stockage;FIG. 2A represents an example of a workstation according to the invention in storage position;
• la figure 2B représente un exemple de poste de travail conforme à l'invention en situation de réglage;FIG. 2B represents an example of a workstation according to the invention in a setting situation;
• la figure 2C représente un exemple de poste de travail conforme à l'invention se trouvant en position réglée d'utilisation;FIG. 2C represents an example of a workstation according to the invention in the set position of use;
• la figure 2D représente un exemple de poste de travail selon l'invention repoussé en position de stockage après le réglage de la position tel qu'illustré aux figures 2B et 2C;FIG. 2D represents an example of a workstation according to the invention pushed back to the storage position after the adjustment of the position as illustrated in FIGS. 2B and 2C;
• la figure 3A représente un exemple de système de blocage en position fermée; etFIG. 3A represents an example of a locking system in the closed position; and
• la figure 3B représente un exemple de système de blocage en position ouverte. La figure 1 a permis d'illustrer des postes de travail de l'état de la technique.FIG. 3B represents an example of a locking system in the open position. Figure 1 has been used to illustrate workstations of the state of the art.
Pour des raisons de clarté, les éléments apparaissant sur les différentes figures ont été désignés par des références similaires. De même, seuls les éléments utiles pour la compréhension de l'invention ont été représentés, et ceci sans respect de l'échelle et de manière schématique.For the sake of clarity, the elements appearing in the various figures have been designated by similar references. Similarly, only the elements useful for understanding the invention have been shown, and this without regard to the scale and schematically.
Les figures 2A à 2D représentent un même poste de travail 1 à mémoire de position conforme à l'invention selon différentes positions d'utilisation. Le poste de travail 1 comporte notamment :FIGS. 2A to 2D show a same workstation 1 with a position memory according to the invention according to different positions of use. Workstation 1 includes:
• un support plan fixe 2; • un plateau 3;• a fixed plane support 2; • a plate 3;
• une sangle 4 comportant une première extrémité 5, une partie intermédiaire 6 et une deuxième extrémité 7;A strap 4 having a first end 5, an intermediate portion 6 and a second end 7;
• un système de blocage 9; et • des moyens d'attache 8.• a locking system 9; and • fastening means 8.
Les moyens d'attache 8 sont situés sur la surface inférieure du support plan fixe 2. La première extrémité 5 de la sangle 4 est maintenue par les moyens d'attache 8. Ces moyens d'attache 8 peuvent être formés par tout type de système permettant de maintenir, de solidariser la première extrémité 5 de la sangle 4 avec le support plan fixe 2.The attachment means 8 are located on the lower surface of the fixed planar support 2. The first end 5 of the strap 4 is held by the attachment means 8. These attachment means 8 can be formed by any type of system to maintain, to secure the first end 5 of the strap 4 with the fixed plane support 2.
Selon une mise en œuvre avantageuse de l'invention, les moyens d'attache 8 peuvent être formés par un tendeur de sangle à cliquet. Outre la particularité de maintenir et de solidariser la première extrémité 5 de la sangle 4 avec le support plan fixe 2, ledit tendeur offre la possibilité de mettre sous tension la sangle 4 de façon à supprimer tout jeu résiduel. Cette caractéristique sera explicitée ultérieurement.According to an advantageous implementation of the invention, the attachment means 8 may be formed by a ratchet strap tensioner. In addition to the particularity of maintaining and securing the first end 5 of the strap 4 with the fixed plane support 2, said tensioner offers the possibility of tensioning the strap 4 so as to eliminate any residual game. This characteristic will be explained later.
La partie intermédiaire 6 de la sangle 4 fait le tour du support plan fixe 2 et traverse le système de blocage 9. Ce dernier est solidaire du plateau 3 et situé sur la face inférieure du plateau 3. Le système de blocage 9 comporte deux positions, à savoir:The intermediate portion 6 of the strap 4 goes around the fixed plane support 2 and passes through the locking system 9. The latter is secured to the plate 3 and located on the lower face of the plate 3. The locking system 9 has two positions, to know:
• une première position ouverte, illustrée sur la figure 2B, laquelle permet au plateau 3 de coulisser le long de la sangle 4; et• a first open position, illustrated in Figure 2B, which allows the plate 3 to slide along the strap 4; and
• une deuxième position fermée, illustrée sur les figures 2A, 2C, et 2D, laquelle interdit un quelconque mouvement en translation du plateau 3 par rapport à la sangle 4. Par conséquent, lorsque le système de blocage 9 se situe dans cette position, la partie intermédiaire 6 de la sangle 4 est bloquée au sein du système de blocage 9. Par ailleurs, il convient de noter que le plateau 3 est apte à être déplacé en translation sur le support plan fixe 2 au moyen d'une glissière ou tout autre moyen non représenté autorisant une translation du plateau 3 par rapport au support plan fixe 2.A second closed position, illustrated in FIGS. 2A, 2C, and 2D, which prohibits any translational movement of the plate 3 with respect to the strap 4. Consequently, when the locking system 9 is in this position, the intermediate portion 6 of the strap 4 is locked within the locking system 9. Furthermore, it should be noted that the plate 3 is able to be moved in translation on the fixed plane support 2 by means of a slide or any other means not shown permitting a translation of the plate 3 relative to the fixed plane support 2.
L'agencement et les interactions des différents éléments du poste de travail 1 conforme à l'invention sont à présent décrits.The arrangement and the interactions of the different elements of the workstation 1 according to the invention are now described.
La figure 2A représente un exemple de poste de travail à mémoire de position 1 conforme à l'invention se trouvant en position de stockage.Figure 2A shows an example of a memory workstation. position 1 according to the invention being in the storage position.
La sangle 4 est mise sous tension par les moyens d'attache 8. Ceux-ci sont formés par un tendeur de sangle à cliquet. De ce fait, dans la position de stockage, aucun mouvement de translation du plateau 3 par rapport au support plan fixe 2 n'est possible. Une telle mise sous tension est préférentiellement utilisée lors du déplacement du véhicule.The strap 4 is energized by the attachment means 8. These are formed by a ratchet strap tensioner. Therefore, in the storage position, no translational movement of the plate 3 relative to the fixed plane support 2 is possible. Such power up is preferably used when moving the vehicle.
Il est à noter que la tension exercée par les moyens d'attache 8 sur la sangle 4 est supérieure à 2ON et peut avoisiner les 1000N. Cette tension se traduit par un gain de quelques millimètres à quelques centimètres sur la longueur de la sangle 4 supprimant tout jeu éventuel. Plus généralement, cette tension est calculée en fonction du rapport entre:It should be noted that the tension exerted by the attachment means 8 on the strap 4 is greater than 2ON and may be around 1000N. This tension results in a gain of a few millimeters to a few centimeters over the length of the strap 4 eliminating any play. More generally, this tension is calculated according to the ratio between:
• la poids de l'ensemble constitué notamment par le poste de travail 1 et le plateau 3, etThe weight of the assembly formed in particular by the workstation 1 and the plate 3, and
• l'inclinaison de cet ensemble. En outre, lorsqu'une telle tension est exercée sur la sangle 4, le système de blocage 9 ne peut pas être actionné.• the inclination of this set. In addition, when such a tension is exerted on the strap 4, the locking system 9 can not be actuated.
En conséquence, pour faire passer le plateau 3 d'une position de stockage à une position d'utilisation, il est nécessaire de déverrouiller les moyens d'attache 8. Conformément à la représentation illustrée sur les figures 2A et 2B, les moyens d'attache 8 possèdent deux positions, à savoir:Accordingly, to move the tray 3 from a storage position to a position of use, it is necessary to unlock the fastening means 8. In accordance with the representation illustrated in Figures 2A and 2B, the means of fastener 8 have two positions, namely:
• une première position, correspondant à la position sensiblement verticale du levier, dans laquelle une tension est exercée sur la sangle 4, etA first position, corresponding to the substantially vertical position of the lever, in which tension is exerted on the strap 4, and
• une deuxième position, correspondant à la position sensiblement horizontale du levier, dans laquelle aucune tension n'est exercée sur la sangle 4.• a second position, corresponding to the substantially horizontal position of the lever, in which no tension is exerted on the strap 4.
Il est néanmoins entendu que cette caractéristique vaut pour des moyens d'attache 8 formés par un tendeur de sangle à cliquet. Dans l'hypothèse selon laquelle les moyens d'attache 8 sont formés par un crochet, cette étape de déverrouillage n'est pas indispensable.It is nevertheless understood that this characteristic applies to attachment means 8 formed by a ratchet strap tensioner. Assuming that the attachment means 8 are formed by a hook, this unlocking step is not essential.
Selon une mise en œuvre illustrée sur les figures 2A et 2B, l'opérateur doit exercer un effort de rotation sur le levier des moyens d'attache 8. Le levier passe donc d'une position sensiblement verticale à une position sensiblement horizontale. Lorsque le levier des moyens d'attache 8 se trouve en position sensiblement horizontale, aucune tension n'est exercée sur la sangle 4. Le système de blocage 9 peut donc être déverrouillé.According to an implementation illustrated in FIGS. 2A and 2B, the operator must exert a rotational force on the lever of the fastening means 8. The lever therefore passes from a substantially vertical position to a substantially horizontal position. When the lever of the attachment means 8 is in a substantially horizontal position, no tension is exerted on the strap 4. The locking system 9 can therefore be unlocked.
Comme illustré sur la figure 2B, le déverrouillage du système de blocage 9 permet au plateau 3 de coulisser le long de la sangle 4. L'opérateur peut ainsi positionner à sa guise le plateau 3.As illustrated in FIG. 2B, the unlocking of the locking system 9 allows the plate 3 to slide along the strap 4. The operator can thus position the plate 3 as he wishes.
Pour mémoire, un ordinateur et/ou un clavier d'ordinateur sont disposés sur le plateau 3. L'opérateur positionne donc le plateau 3 à une distance de travail confortable. Puis, tel qu'illustré sur la figure 2C, dès lors qu'une position d'utilisation ergonomique du poste de travail 1 est sélectionnée par l'opérateur, ce dernier verrouille de nouveau le système de blocage 9. La partie intermédiaire 6 de la sangle 4 se trouve ainsi bloquée au sein du système de blocage 9.For the record, a computer and / or a computer keyboard are arranged on the plate 3. The operator therefore positions the tray 3 at a comfortable working distance. Then, as shown in FIG. 2C, when an ergonomic position of use of the workstation 1 is selected by the operator, the latter again locks the locking system 9. The intermediate portion 6 of the strap 4 is thus blocked within the locking system 9.
Ce blocage consiste donc à définir une longueur de sangle. Cette longueur correspond à la longueur de sangle nécessaire pour placer le plateauThis blocking therefore consists in defining a length of strap. This length corresponds to the strap length needed to place the tray
3 en une position d'utilisation souhaitée par l'opérateur. Ainsi, la position d'utilisation déterminée par l'opérateur n'est pas modifiée et ce même si le plateau 3 est repoussé en position de stockage.3 in a position of use desired by the operator. Thus, the use position determined by the operator is not changed even if the tray 3 is pushed into the storage position.
Cette caractéristique est illustrée sur la figure 2D. En effet, le plateau 3 est repoussé. Cette action est réalisée en exerçant un simple effort sur le plateau 3.This feature is illustrated in Figure 2D. Indeed, the tray 3 is pushed back. This action is performed by exerting a simple effort on the plate 3.
Grâce à l'invention, le réglage initial n'est pas pour autant modifié. Il est important de souligner que la seule action effectuée par l'opérateur, pour placer le plateau 3 en position de stockage, est une simple pression sur le plateau 3. De façon similaire, en vue de positionner le plateau 3 en position d'utilisation, il suffit d'exercer un simple effort de traction sur le plateau 3. Cet effort est exercé jusqu'à ce que le plateau 3 ne puisse plus se déplacer. La course du plateau 3 est ainsi limitée par la course maximale de la sangle 4, c'est à dire la longueur de la sangle 4 située entre la première extrémité 5 de la sangle 4 et la partie intermédiaire 6 bloquée au sein du système de blocage 9.Thanks to the invention, the initial setting is not modified. It is important to emphasize that the only action performed by the operator, to place the tray 3 in the storage position, is a simple pressure on the plate 3. Similarly, in order to position the plate 3 in the use position it is sufficient to exert a simple traction force on the plate 3. This force is exerted until the plate 3 can no longer move. The stroke of the plate 3 is thus limited by the maximum stroke of the strap 4, that is to say the length of the strap 4 located between the first end 5 of the strap 4 and the intermediate portion 6 locked within the locking system 9.
Un tel blocage de la partie intermédiaire 6 de la sangle 4 au sein du système de blocage 9 est illustré sur la figure 3A qui représente un exemple de système de blocage 9. Ce dernier, est représenté sur la figure 3A en position fermée c'est à dire en position de blocage. Le système de blocage 9 comporte :Such a locking of the intermediate portion 6 of the strap 4 within the locking system 9 is illustrated in Figure 3A which shows an example of locking system 9. The latter is shown in Figure 3A in the closed position is to say in blocking position. The locking system 9 comprises:
• un support 16;A support 16;
• un système à ressort de rappel 17; et• a spring return system 17; and
• une gâchette 18 en rotation autour d'un axe d'articulation 19. Selon une telle mise en oeuvre, le support 16 peut être par exemple positionné et fixé sur le plateau 3. La partie intermédiaire 6 de la sangle 4 passe entre le support 16 et la gâchette 18. Le système à ressort de rappel 17 exerce un effort f de poussée sur la gâchette 18 entraînant cette dernière en rotation autour de l'axe 19. Cette rotation est effectuée dans le sens anti- trigonométrique. La sangle 4 est alors bloquée entre le support 16 et la gâchette 18.A trigger 18 rotated about an axis of articulation 19. According to such an implementation, the support 16 may for example be positioned and fixed on the plate 3. The intermediate portion 6 of the strap 4 passes between the support 16 and the trigger 18. The spring return system 17 exerts a thrust force on the trigger 18 causing the latter to rotate about the axis 19. This rotation is performed in the anti-trigonometric direction. The strap 4 is then locked between the support 16 and the trigger 18.
La figure 3B illustre un système de blocage 9 identique à celui qui est représenté sur la figure 3A. Cependant, un deuxième effort F est exercé manuellement par un opérateur sur la gâchette 18. Ce deuxième effort F s'oppose à l'effort f qui est exercé par le système à ressort de rappel 17. En conséquence, la gâchette 18 tourne autour de l'axe 19 dans le sens trigonométrique. Ainsi, la partie intermédiaire 6 de la sangle 4 est libérée et le plateau 3 peut alors coulisser le long de la sangle 4.Figure 3B illustrates a locking system 9 identical to that shown in Figure 3A. However, a second force F is exerted manually by an operator on the trigger 18. This second force F opposes the force f which is exerted by the return spring system 17. As a result, the trigger 18 rotates around the axis 19 in the trigonometric direction. Thus, the intermediate portion 6 of the strap 4 is released and the plate 3 can then slide along the strap 4.
Pour mémoire, la longueur de la sangle 4 formant la course maximale du plateau 3 est déterminée au cours de l'étape illustrée sur la figure 2C consistant à déterminer une position d'utilisation optimale par un opérateur.For the record, the length of the strap 4 forming the maximum stroke of the plate 3 is determined during the step illustrated in Figure 2C of determining an optimal use position by an operator.
Par ailleurs, lorsque l'opérateur souhaite bloquer le plateau 3 en position de stockage, il est nécessaire d'effectuer les actions suivantes:Furthermore, when the operator wishes to lock the tray 3 in the storage position, it is necessary to perform the following actions:
• déverrouiller le système de blocage 9; • faire coulisser le plateau 3 le long de la sangle 4 jusqu'à ce que le plateau 3 soit en position de stockage;• unlock the locking system 9; Slide the plate 3 along the strap 4 until the plate 3 is in the storage position;
• verrouiller le système de blocage 9; puis mettre en tension la sangle 4 à l'aide des moyens d'attache 8. Il ressort clairement de la description précitée, que la position du plateau 3 peut aisément et rapidement être modifiée sans pour autant nécessiter d'une part la réalisation d'opérations fastidieuses ni d'autre part le réglage de la position d'utilisation après chaque mise en position de stockage du plateau 3.• lock the locking system 9; then tension the webbing 4 with the fastening means 8. It is clear from the above description, that the position of the plate 3 can easily and quickly be changed without requiring on the one hand the realization of tedious operations nor on the other hand the adjustment of the position of use after each storage position of the tray 3.
En résumé, un opérateur détermine une unique fois la position d'utilisation de son poste de travail 1. En outre, de façon à optimiser l'ergonomie du poste de travail, la face supérieure du plateau 3 est inclinée.In summary, an operator only once determines the position of use of his workstation 1. In addition, in order to optimize the ergonomics of the workstation, the upper face of the plate 3 is inclined.
En sus, il est à noter que la deuxième extrémité 7 de la sangle 4 est libre de toute contrainte. Le domaine d'application de l'invention est celui des véhicules militaires en général. Le dispositif selon l'invention peut s'appliquer à tout type de véhicule transportant des postes de travail et il peut s'appliquer également à tout espace comportant au moins un poste de travail. De ce fait, l'invention est applicable au domaine automobile, aéronautique, ferroviaire, maritime ou encore industriel.In addition, it should be noted that the second end 7 of the strap 4 is free of any constraint. The field of application of the invention is that of military vehicles in general. The device according to the invention can be applied to any type of vehicle carrying workstations and it can also apply to any space with at least one workstation. As a result, the invention is applicable to the automotive, aeronautical, railway, maritime or industrial sectors.
Il est entendu que l'homme du métier est à même de réaliser différentes variantes de l'invention sans pour autant sortir de cadre du brevet, notamment en ce qui concerne le positionnement du système d'attache et/ou du système de blocage. It is understood that the skilled person is able to achieve different variants of the invention without departing from the scope of the patent, particularly with respect to the positioning of the fastening system and / or the locking system.

Claims

REVENDICATIONS
1. Poste de travail à mémoire de position (1 ) comportant:1. Position memory workstation (1) comprising:
- un support plan fixe (2); - un plateau (3) monté en translation par rapport au dit support plan fixe (2);a fixed plane support (2); a plate (3) mounted in translation relative to said fixed plane support (2);
- un système de blocage (9) solidaire dudit plateau (3); ledit poste de travail (1 ) étant caractérisé en ce qu'il comporte en outre:- a locking system (9) integral with said plate (3); said workstation (1) being characterized in that it further comprises:
- des moyens d'attache (8) solidaires dudit support plan fixe (2); - une sangle (4) comportant une première extrémité (5), une partie intermédiaire (6) et une deuxième extrémité (7), ladite première extrémité (5) étant fixée aux dits moyens d'attache (8) et ladite deuxième extrémité (7) étant libre de toute contrainte, ledit système de blocage (9) possédant : • une première position ouverte de sorte que ledit système de blocage (9) coulisse le long de ladite partie intermédiaire (6), etfastening means (8) integral with said fixed plane support (2); a strap (4) comprising a first end (5), an intermediate part (6) and a second end (7), said first end (5) being fixed to said attachment means (8) and said second end (5) ( 7) being free from any constraint, said locking system (9) having: a first open position such that said locking system (9) slides along said intermediate portion (6), and
• une deuxième position fermée de sorte que ledit système de blocage (9) est maintenu en position bloquée le long de ladite partie intermédiaire (6).A second closed position so that said locking system (9) is held in a locked position along said intermediate portion (6).
2. Poste de travail (1 ) selon la revendication 1 caractérisé en ce que lesdits moyens d'attache (8) comportent :2. Workstation (1) according to claim 1 characterized in that said fastening means (8) comprise:
- une première position de sorte que lesdits moyens d'attache (8) exercent une tension sur ladite sangle (4), eta first position such that said fastening means (8) exert a tension on said strap (4), and
- une deuxième position de sorte lesdits moyens d'attache (8) n'exercent pas de tension sur ladite sangle (4).a second position so that said fastening means (8) do not exert tension on said strap (4).
3. Poste de travail (1 ) selon la revendication 2 caractérisé en ce que ladite tension exercée par lesdits moyens d'attache (8) sur ladite sangle (4) est supérieure à 2ON.3. Workstation (1) according to claim 2 characterized in that said tension exerted by said fastening means (8) on said strap (4) is greater than 2ON.
4. Poste de travail (1 ) selon l'une au moins des revendications 2 à 3 caractérisé en ce que lesdits moyens d'attache (8) sont formés par un tendeur de sangle à cliquet.4. Workstation (1) according to at least one of claims 2 to 3 characterized in that said attachment means (8) are formed by a ratchet strap tensioner.
5. Poste de travail (1 ) selon l'une au moins des revendications 1 à 4 caractérisé en ce que ledit système de blocage (9) est un système de type pince.5. Workstation (1) according to at least one of claims 1 to 4 characterized in that said locking system (9) is a clamp type system.
6. Poste de travail (1 ) selon l'une au moins des revendications 1 à 5 caractérisé en ce que ledit plateau (3) comporte une surface supérieure inclinée.6. Workstation (1) according to at least one of claims 1 to 5 characterized in that said plate (3) has an inclined upper surface.
7. Poste de travail (1 ) selon l'une au moins des revendications 1 à 6 caractérisé en ce que ledit système de blocage (9) est situé sur la surface inférieure dudit plateau (3) et/ou lesdits moyens d'attache (8) sont situés sur la surface inférieure dudit support plan fixe (2).Workstation (1) according to at least one of Claims 1 to 6, characterized in that the said locking system (9) is situated on the lower surface of the said plate (3) and / or the said fastening means ( 8) are located on the lower surface of said fixed plane support (2).
8. Poste de travail (1 ) selon l'une au moins des revendications 1 à 7 caractérisé en ce que ladite partie intermédiaire (6) de ladite sangle (4) fait le tour dudit support plan fixe (2) et passe au travers dudit système de blocage (9).8. Workstation (1) according to at least one of claims 1 to 7 characterized in that said intermediate portion (6) of said strap (4) is around said fixed planar support (2) and passes through said locking system (9).
9. Véhicule (10) comportant une pluralité de postes de travail à mémoire de position (1 ) caractérisé selon l'une des revendications 1 à 8. 9. Vehicle (10) comprising a plurality of workstations with position memory (1) characterized according to one of claims 1 to 8.
PCT/EP2010/055073 2009-06-09 2010-04-16 Workstation with position memory WO2010142482A1 (en)

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CN201080033516.6A CN102458919B (en) 2009-06-09 2010-04-16 Workstation with position memory
BRPI1011525A BRPI1011525B1 (en) 2009-06-09 2010-04-16 workstation with position memory.
EP10715212A EP2440430A1 (en) 2009-06-09 2010-04-16 Workstation with position memory
US13/376,774 US8453582B2 (en) 2009-06-09 2010-04-16 Workstation with position memory

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FR0953813A FR2946295B1 (en) 2009-06-09 2009-06-09 WORKING STATION WITH POSITION MEMORY

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CN102458919A (en) 2012-05-16
CN102458919B (en) 2014-03-19
KR20120036931A (en) 2012-04-18
FR2946295B1 (en) 2011-07-01
US20120111237A1 (en) 2012-05-10
BRPI1011525A2 (en) 2019-04-30
EP2440430A1 (en) 2012-04-18
FR2946295A1 (en) 2010-12-10
US8453582B2 (en) 2013-06-04
BRPI1011525B1 (en) 2019-08-13
KR101647538B1 (en) 2016-08-10

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